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Thread: IRQ settings in WinXP




  1. #11
    Join Date
    Nov 2001
    Location
    Texas, USA
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    4,825

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    I always run with ACPI functions disabled. I am now using WinXP and still have the functions disabled. No compatibility problems, no crashes, no need for reinstall... just smooth sailing.

    Dunno what to tell you unless you had some stuff dying anyway and the settings you played with were the straws that broke the camel's back.
    Old age and treachery will overcome youth and skill
    My Toys

  2. #12
    Join Date
    Dec 2001
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    1,297

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    The difference may have been that I did this in Windows instead of during the install. I should've clarified this earlier. I just leave ACPI on, no problems. Whatever you do, just don't change to or from ACPI within Windows, even if you disable it in BIOS as well. I have not had success doing so. If you don't want ACPI, just disable it during a reinstall.

  3. #13
    Join Date
    Nov 2001
    Posts
    306

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    I never said that you would get incompatibilities, I just think it's better enabled ! If you have new hardware and don't require too many IRQ's then as you pointed out everything will run just fine with it disabaled.

    You can change from ACPI to standard PC after you've installed, well I did it under 2000 anyway... it was going back that caused me problems ! I was trying to fix up some usb problems with my old mvp3 board.... I HATE that chipset with a passion never will I or can I ever say a good thing about it, although strangly enough everyone else seems to love it to death. I shall try not to get started about that though :D

    Anyway main point is unless you have a reason to change it, leave it alone. Neither setting will cause any problems (provided you have enough IRQ's etc) and it just comes down to personal preferance.

    :thumb:
    WooHoo !! I at long last have a job ! Yay for me !


    ----------------- Proof I think FAR too much ----------------

    How does the headless horseman see where he's going ???

  4. #14
    Join Date
    Nov 2001
    Posts
    735

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    I had this problem as well. Heres what i did to remedy it (btw, some devices do not like sharing IRQs, soundblaster and geforce cards are most notorious, so are some network cards)

    In your bios look for 'INT Pin x Assignment' (where x=a number from 1-4)
    Have a fiddle with them..you can assign Pin1 an IRQ and pin2 and IRQ etc...give each a different IRQ number and then reboot.
    I have mine setup like so

    Pin1=11
    Pin2=9
    Pin3=5
    Pin4=3

    Also, if you dont use a COM port, then disable it. These take up IRQ numbers even if you arnt using it. You can disable COM ports in the bios as well as onboard sound/midi/gameport (if your mobo has onboard sound etc) devices.

    Currently- my devices under WinXP are all using their own IRQ and I have ACPI on in bios/OS
    However- if I enable my 2nd COM port, then network card and sound card piggyback on IRQ9 and I get the stutters.pops&clicks when playing sound :(

  5. #15
    Join Date
    Nov 2001
    Posts
    306

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    lol, well I've actually had LESS problems with my devices are using the same IRQ than I did under 98 with them all on seperate IRQ's !

    Under 98 with different IRQ's my sound was pretty crap, but under 2000 / XP with all devices on the same IRQ everything has been sweet ! (creative sound card and a GeForce, although it isn't a SB Live which is what has the problems I think).


    That could also just be 'cas compared to 2000 / XP, Win 98 is a piece of crap !
    WooHoo !! I at long last have a job ! Yay for me !


    ----------------- Proof I think FAR too much ----------------

    How does the headless horseman see where he's going ???

  6. #16

    Default

    i found with a new PC i setup that i HAD to enable ACPI and APM and do a regular install to get the damn thing to work, and it did so with all devices on a separate IRQ, but in my experience, the best practice is to keep everything separate, as the "feature" of adding the majority of your devices into the one interrupt is rather distasteful, as it can create a world of problems, ranging from minor annoying to greatly upsetting, to throw-computer-down-stairs....


    i have apm and acpi enabled on my PC, but i used F5 to install it as a standard PC...

    worx fine thanks, much better than having everything on IRQ11
    sKuLLsHoT
    www.morb.ath.cx

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